Noun

1. Malicious creatures in Finnish mythology.

   • (parent to child) Varo, ettei kaivohiisi vie sinua! — Be careful that the well-demon doesn't get you!

2. (mild expletive) goblin, devil, demon, hell

   • Mikä hiisi sinua pidätteli? Pitäisi olla jo matkalla! — What the devil was it, that held you back? We should be on the road already!
   • Painu hiiteen! — Go to hell!